Anti-slip picture wire hanger bracket



FIG. 1 is a front elevational view of an anti-slip picture wire hanger bracket, showing my new design;

FIG. 2 is a right side view thereof at an enlarged scale, the left side view being symmetrical;

FIG. 3 is a top plan view thereof, at the scale of FIG. 1;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is an isometric view thereof. 

The ornamental design for an anti-slip picture wire hanger bracket, as shown and described. 